25806968 has 16 divisors (see below), whose sum is σ = 52787160. Its totient is φ = 11730400.

The previous prime is 25806953. The next prime is 25806971. The reversal of 25806968 is 86960852.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146543 + ... + 146718.

Almost surely, 2^25806968 is an apocalyptic number.

It is an amenable number.

25806968 is an abundant number, since it is smaller than the sum of its proper divisors (26980192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25806968 is a wasteful number, since it uses less digits than its factorization.

25806968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293278 (or 293274 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 25806968 is about 5080.0559052042. The cubic root of 25806968 is about 295.5146355326.

The spelling of 25806968 in words is "twenty-five million, eight hundred six thousand, nine hundred sixty-eight".